diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index 73262b5c..105992f3 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10"]
         dependencies: [normal]
         database: [sqlite]
         # Test other databases only with one version of Python (Debian buster has 3.7)
@@ -48,7 +48,7 @@ jobs:
             dependencies: normal
             database: mariadb
           # Try a few variants with the minimal versions supported
-          - python-version: 3.6
+          - python-version: 3.7
             dependencies: minimal
             database: sqlite
           - python-version: 3.7
diff --git a/.travis.yml b/.travis.yml
index cc4db2b7..9982d798 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 sudo: false
 language: python
 python:
-  - "3.6"
   - "3.7"
   - "3.8"
   - "3.9"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20b84f40..6a376356 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,14 @@
 
 This document describes changes between each past release.
 
-## 5.2.1 (unreleased)
+## 6.0.0 (unreleased)
+
+### Breaking
+- Drop Python 3.6 support
+- Add Python 3.11 support
+
+The minimum supported version is now Python 3.7, and the project is
+tested with up to Python 3.10
 
 ### Changed
 - Add a cancel button when editing a bill for better UX
diff --git a/Makefile b/Makefile
index 0a4c561a..dbf7f3b5 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ test: install-dev ## Run the tests
 
 .PHONY: black
 black: install-dev ## Run the tests
-	$(VENV)/bin/black --target-version=py36 .
+	$(VENV)/bin/black --target-version=py37 .
 
 .PHONY: isort
 isort: install-dev ## Run the tests
diff --git a/README.md b/README.md
index 563b6756..64ff4e76 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ highly encouraged to do so.
 
 ## Requirements
 
--   **Python**: version 3.6 to 3.9.
+-   **Python**: version 3.7 to 3.9.
 -   **Backends**: SQLite, PostgreSQL, MariaDB (version 10.3.2 or above),
     Memory.
 
diff --git a/docs/installation.md b/docs/installation.md
index 3ef513e5..8c5a20e2 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -83,7 +83,7 @@ Some Paas (Platform-as-a-Service), provide a documentation or even a quick insta
 
 «Ihatemoney» depends on:
 
--   **Python**: any version from 3.6 to 3.10 will work.
+-   **Python**: any version from 3.7 to 3.10 will work.
 -   **A database backend**: choose among SQLite, PostgreSQL, MariaDB (>=
     10.3.2).
 -   **Virtual environment** (recommended): [python3-venv]{.title-ref}
diff --git a/docs/upgrade.md b/docs/upgrade.md
index a9f30627..aa24d6ae 100644
--- a/docs/upgrade.md
+++ b/docs/upgrade.md
@@ -35,14 +35,14 @@ special instructions:
 #### Switch to a supported version of Python
 
 ::: {note}
-If you are already using Python ≥ 3.6, you can skip this section, no
+If you are already using Python ≥ 3.7, you can skip this section, no
 special action is required.
 :::
 
-If you were running IHateMoney using Python < 3.6, you must, **before**
+If you were running IHateMoney using Python < 3.7, you must, **before**
 upgrading:
 
-1.  Ensure to have a Python ≥ 3.6 available on your system
+1.  Ensure to have a Python ≥ 3.7 available on your system
 
 2.  Rebuild your virtual environment (if any). It will *not* alter your
     database nor configuration. For example, if your virtual environment
diff --git a/setup.cfg b/setup.cfg
index 03d41b98..81daf005 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,7 +11,6 @@ license = Custom BSD Beerware
 classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -52,7 +51,7 @@ database =
     PyMySQL>=0.9,<1.1
 
 dev =
-    black>=19.10b0 ; python_version >= '3.6'
+    black>=19.10b0 ; python_version >= '3.7'
     flake8>=3.7.9
     Flask-Testing>=0.8.1
     isort>=5.0.0
diff --git a/tox.ini b/tox.ini
index 5fbb9b30..bd645706 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py39,py38,py37,py36,lint_docs
+envlist = py39,py38,py37,lint_docs
 skip_missing_interpreters = True
 
 [testenv]
@@ -17,7 +17,7 @@ changedir = /tmp
 
 [testenv:lint_docs]
 commands =
-    black --check --target-version=py36 .
+    black --check --target-version=py37 .
     isort -c .
     flake8 ihatemoney
     sphinx-build -a -n -b html -d docs/_build/doctrees docs docs/_build/html
@@ -34,7 +34,6 @@ extend-ignore =
 
 [travis]
 python =
-  3.6: py36
   3.7: py37
   3.8: py38, lint_docs
   3.9: py39